Sick of dangerous city traffic? Remove left turns
- Written by Vikash V. Gayah, Associate Professor of Civil Engineering, Penn State
Left turns are dangerous and cause a lot of unnecessary traffic. Chris Jongkind/Moment via Getty ImagesTo reduce travel times, fuel consumption and carbon emissions, in 2004, UPS changed delivery routes to minimize the left-hand turns drivers made. Although this seems like a rather modest change, the results are anything but: UPS claims that per...
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